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本文简化了有效折射率法和WKB法对梯形截面介质光波导传输特性的分析过程,给出了计算E_(mn)~X模有效折射率的近似模方程,并用数值计算结果和实验结果检验了该模方程的精度。
This paper simplifies the analysis of the effective refractive index and the WKB method for the optical waveguide transmission characteristics of a trapezoidal cross-section medium, gives the approximate equation of the effective refractive index of the E_ (mn) ~ X mode, and tests the numerical results and experimental results The accuracy of the modular equation.